Raw Mix Calculation To Produce Cement Using Excel Matrix [PDF]

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Calculation of cement raw material proportions - 4 components



Basis: a



Components Limestone Shale Silica Coal Ash



LSF 0.935



SM AM 2.1 2.38 (0.92-0.97) (2.2-2.6) (1.5-2.5)



CaO 51.78 17.46 5.22 5.74



SiO2 3.20 39.49 65.08 61.20



Oxides (Ignited basis) Al2O3 Fe2O3 MgO 1.28 0.46 1.88 13.33 6.44 2.38 11.85 6.46 2.38 27.34 2.25 1.89



SO3 0 0 0 0



LOI 40.905 20.442 8.606 1.11



41.13 -0.4374 0.18258 1 0.01 -0.01 0.00 0.00



Limestone Shale Silica Coal Ash



Oxides CaO SiO2 Al2O3 Fe2O3 MgO SO3 Sum



Proportions % Parts 0.75 75.25 0.20 20.23 0.03 2.84 0.02



LSF 0.935



Fact/Check SM 2.1



1.67 100.00



Contents in clinker Ignited Ignition Minerals basis (%) Free (%) 42.75 66.44 C3S 13.27 20.63 C2S 4.45 6.92 C4AF 1.87 2.91 C3A 2.00 3.10 MgO 0.00 0.00 Sum 64.34 100.00 100.00



AM 2.38



MC 3.50 16.00 12.00 0.00 6.46



% 63.11 11.53 8.84 13.39 3.10 99.97



% (wet) 73.33% 22.10% 3.00% 1.57% 100.00%



Matrix -110.17 -186.96 -2.04 26.64 -2.00 -3.52 1 1 Inverse Matrix 0.02 0.02 -0.05 -0.06 0.03 0.00 0.00 0.04



-200.38 -0.94 21.99 1 0.75 0.20 0.03 0.02



0 0 0 1